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<?php namespace ExternalImporter\application\components; defined('\ABSPATH') \|\| exit; use ExternalImporter\application\helpers\TextHelper; /** * LinkHandler class file * * @author keywordrush.com <support@keywordrush.com> * @link https://www.keywordrush.com * @copyright Copyright © 2025 keywordrush.com / class LinkHandler { private static $instance = null; public static function getInstance() { if (self::$instance == null) self::$instance = new self; return self::$instance; } public static function createAffUrl($url, $deeplink, $item = array(), $subid = '') { $filtered = \apply_filters('ei_create_affiliate_link', $url, $deeplink); if ($filtered != $url) return $url; // profitshare fix. return if url already created if (!empty($item['url']) && strstr($item['url'], '/l.profitshare.ro/')) return $item['url']; // lomadee fix. return if url already created if (!empty($item['url']) && strstr($item['url'], '/redir.lomadee.com/') && !strstr($item['url'], 'https://redir.lomadee.com/v2/deeplink?url=')) return $item['url']; if (!$deeplink) { $result = $url; } elseif (substr(trim($deeplink), 0, 7) == '[regex]') { // regex preg_replace $result = self::getRegexReplace($url, $deeplink); } elseif (substr(trim($deeplink), 0, 13) == '[profitshare]') { // ProfitShare link creator $result = self::getProfitshareLink($url, $deeplink, $item); } elseif (substr(trim($deeplink), 0, 9) == '[lomadee]') { // Lomadee link creator $result = self::getLomadeeLink($url, $deeplink, $item); } elseif (substr(trim($deeplink), 0, 13) == '[trovaprezzi]') { // Trovaprezzi link creator $result = self::getTrovaprezziLink($url, $deeplink, $item); } elseif (strstr($deeplink, '{{') && strstr($deeplink, '}}')) { // template deeplink $result = self::getUrlTemplate($url, $deeplink, $item); } elseif (!preg_match('/^https?:\/\//i', $deeplink)) { // url with tail $result = self::getUrlWithTail($url, $deeplink); } else { $result = $deeplink . urlencode($url); } if ($subid) { $result = self::getUrlWithTail($result, $subid); } return $result; } public static function getUrlWithTail($url, $tail) { // replace params in URL parse_str($tail, $vars); if (count($vars) == 1 && strstr($tail, '=')) return \add_query_arg($vars, $url); $tail = preg_replace('/^[?&]/', '', $tail); $query = parse_url($url, PHP_URL_QUERY); if ($query) $url .= '&'; else $url .= '?'; parse_str($tail, $tail_array); $url .= http_build_query($tail_array); return $url; } public static function getUrlTemplate($url, $template, $item = array()) { $template = str_replace('{{url}}', $url, $template); $template = str_replace('{{url_encoded}}', urlencode($url), $template); $template = str_replace('{{url_slug_encoded}}', urlencode(trim(parse_url($url, PHP_URL_PATH), '/')), $template); global $post; if (!empty($post)) $post_title = $post->post_title; else $post_title = ''; $template = str_replace('{{post_title}}', urlencode($post_title), $template); if ($item) { if (isset($item['post_id'])) $post_id = $item['post_id']; elseif (!empty($post)) $post_id = $post->ID; else $post_id = 0; $template = str_replace('{{post_id}}', urlencode($post_id), $template); if (!empty($item['unique_id'])) $template = str_replace('{{item_unique_id}}', urlencode($item['unique_id']), $template); } if (!empty($post)) { $author_id = $post->post_author; $user = \get_user_by('ID', $author_id); $author_login = $user ? $user->data->user_login : ''; $template = str_replace('{{author_id}}', urlencode($author_id), $template); $template = str_replace('{{author_login}}', urlencode($author_login), $template); } return $template; } public static function getRegexReplace($url, $regex) { $regex = trim($regex); $parts = explode('][', $regex); if (count($parts) != 3) return $url; $pattern = $parts[1]; $replacement = substr($parts[2], 0, -1); // null character allows a premature regex end and "/../e" injection if (strpos($pattern, chr(0)) !== false \|\| !trim($pattern)) return $url; if ($result = @preg_replace($pattern, $replacement, $url)) return $result; else return $url; } public static function getProfitshareLink($url, $regex, $item = array()) { $regex = trim($regex); $parts = explode('][', $regex); if (count($parts) != 3) return $url; $api_user = $parts[1]; $api_key = rtrim($parts[2], ']'); $api_url = 'http://api.profitshare.ro/affiliate-links/?'; $query_string = ''; $spider = curl_init(); curl_setopt($spider, CURLOPT_HEADER, false); curl_setopt($spider, CURLOPT_URL, $api_url . $query_string); curl_setopt($spider, CURLOPT_CONNECTTIMEOUT, 60); curl_setopt($spider, CURLOPT_TIMEOUT, 30); curl_setopt($spider, CURLOPT_RETURNTRANSFER, true); curl_setopt($spider, CURLOPT_HTTPAUTH, CURLAUTH_ANY); curl_setopt($spider, CURLOPT_USERAGENT, 'Content Egg WP Plugin (https://www.keywordrush.com/contentegg)'); $data = array(); $name = 'CE:' . TextHelper::getHostName($url); if (!empty($item['title'])) $name .= ' ' . $item['title']; $data[] = array( 'name' => $name, 'url' => $url ); curl_setopt($spider, CURLOPT_POST, true); curl_setopt($spider, CURLOPT_POSTFIELDS, http_build_query($data)); $profitshare_login = array('api_user' => $api_user, 'api_key' => $api_key,); $date = gmdate('D, d M Y H:i:s T', time()); $signature_string = 'POSTaffiliate-links/?' . $query_string . '/' . $profitshare_login['api_user'] . $date; $auth = hash_hmac('sha1', $signature_string, $profitshare_login['api_key']); $extra_headers = array("Date: {$date}", "X-PS-Client: {$profitshare_login['api_user']}", "X-PS-Accept: json", "X-PS-Auth: {$auth}"); curl_setopt($spider, CURLOPT_HTTPHEADER, $extra_headers); $output = curl_exec($spider); if (!$output) return $url; $result = json_decode($output, true); if (!$result) return $url; if (isset($result['result'][0]['ps_url'])) return $result['result'][0]['ps_url']; else return $url; } public static function getLomadeeLink($url, $regex, $item = array()) { $regex = trim($regex); $parts = explode('][', $regex); if (count($parts) != 2) return $url; $sourceId = rtrim($parts[1], ']'); $api_url = 'https://api.lomadee.com/v2/15071999399311f734bd1/deeplink/_create?sourceId=' . urlencode($sourceId) . '&url=' . urlencode($url); $response = \wp_remote_get($api_url); if (\is_wp_error($response)) return $url; $response_code = (int) \wp_remote_retrieve_response_code($response); if ($response_code != 200) return $url; $output = \wp_remote_retrieve_body($response); $result = json_decode($output, true); if (!$result) return $url; if (isset($result['deeplinks'][0]['deeplink'])) return $result['deeplinks'][0]['deeplink']; else return $url; } public static function getTrovaprezziLink($url, $regex, $item = array()) { /* * Note: tracking links include a token in order to ensure that offers are updated as much as possible. * This token expires in 12 hours! Therefore you need to set your script to update your feed at least * once each 11 hours , in order to guarantee the correct click tracking! / if (time() - $item['last_update'] < 11 3600) return $item['url']; $regex = trim($regex); $parts = explode('][', $regex); if (count($parts) != 2) return $url; $path = parse_url($url, PHP_URL_PATH); $path = trim($path, "/"); $path = preg_replace('/\.aspx$/', '', $path); $partnerId = rtrim($parts[1], ']'); $api_url = 'https://quickshop.shoppydoo.it/' . urlencode($partnerId) . '/' . urlencode($path) . '.aspx?format=json'; $response = \wp_remote_get($api_url); if (\is_wp_error($response)) return $url; $response_code = (int) \wp_remote_retrieve_response_code($response); if ($response_code != 200) return $url; $output = \wp_remote_retrieve_body($response); $result = json_decode($output, true); if (!$result) return $url; if (isset($result['offers'][0]['url'])) return $result['offers'][0]['url']; else return $url; } }

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